[1]黄瑞新,李爱群,张志强,等.北京奥林匹克中心演播塔TMD风振控制[J].东南大学学报(自然科学版),2009,39(3):519-524.[doi:10.3969/j.issn.1001-0505.2009.03.019]
 Huang Ruixin,Li Aiqun,Zhang Zhiqiang,et al.TMD vibration control of Beijing Olympic Center Broadcast Tower under fluctuating wind load[J].Journal of Southeast University (Natural Science Edition),2009,39(3):519-524.[doi:10.3969/j.issn.1001-0505.2009.03.019]
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北京奥林匹克中心演播塔TMD风振控制()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
39
期数:
2009年第3期
页码:
519-524
栏目:
土木工程
出版日期:
2009-05-20

文章信息/Info

Title:
TMD vibration control of Beijing Olympic Center Broadcast Tower under fluctuating wind load
作者:
黄瑞新12 李爱群12 张志强12 范重3 刘先明3
1 东南大学土木工程学院, 南京 210096; 2 东南大学混凝土与预应力混凝土结构教育部重点实验室, 南京 210096; 3 中国建筑设计研究院, 北京 100044
Author(s):
Huang Ruixin12 Li Aiqun12 Zhang Zhiqiang12 Fan Zhong3 Liu Xianming3
1 School of Civil Engineering,Southeast University,Nanjing 210096,China
2 Key Laboratory of Concrete and Prestressed-Concrete Structures of Ministry of Education, Southeast University, Nanjing 210096, China
3 China Architecture Design and Research Group,Beijing 100044,China
关键词:
高耸结构 风荷载模拟 风振响应 TMD 振动控制
Keywords:
high-rise structures simulation of wind load wind vibration response TMD(turned mass damper) vibration-reduced control
分类号:
TU311
DOI:
10.3969/j.issn.1001-0505.2009.03.019
摘要:
以北京奥林匹克中心演播塔为工程背景,研究了调频质量阻尼器(TMD)对高耸电视塔在强风作用下风振响应的振动控制.将该塔的三维空间模型简化为二维模型; 基于随机振动理论,利用M.Shinozuka方法对该塔的脉动风荷载进行数值模拟,得到了脉动风荷载时程曲线; 在此脉动风荷载作用下,SAP2000三维空间模型的计算结果和二维模型的计算结果相吻合,而且利用二维模型进行计算,大大节省了时间; 以该塔顶层的风振响应为优化目标,对TMD的参数进行了优化研究.结果表明,该塔的风振响应超过了规范的容许值,设置TMD后该塔的风振响应有明显的减小; 在TMD最优参数下,该塔的风振位移响应和加速度响应的减振率分别为43.1%和29.5%; TMD对该塔的风振响应有明显的控制作用.
Abstract:
Beijing Olympic Center Broadcast Tower is taken as an analytical case to examine wind-induced vibration control with a turned mass damper(TMD)under the fluctuation loads. First, a 3-D model of the tower is simplified to a 2-D model. Secondly, according to the random vibration theory, the fluctuating wind load of this tower is simulated as time history curves using the M.Shinozuka method. Thirdly, with these curves, calculated results of the 3-D model are in agreement with the results of the 2-D model, and calculation time is greatly saved using the 2-D model. Finally, the optimal TMD coefficients are obtained regarding the wind vibration response of upper story as optimization objectives. The analysis results show that the response of the tower under fluctuation wind load is far beyond the allowable range of the code. The wind vibration responses are decreased greatly with the TMD, and, with the optimal parameters of the TMD, the displacement and acceleration wind responses of the tower are reduced respectively by 43.1% and 29.5%. The TMD is useful for the control of wind-reduced vibration of the tower.

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相似文献/References:

[1]张志强,李爱群,贾洪,等.粘滞流体阻尼器对电视塔的风振响应控制[J].东南大学学报(自然科学版),2007,37(6):1018.[doi:10.3969/j.issn.1001-0505.2007.06.015]
 Zhang Zhiqiang,Li Aiqun,Jia Hong,et al.Wind-induced vibration control of TV tower with fluid viscous damper[J].Journal of Southeast University (Natural Science Edition),2007,37(3):1018.[doi:10.3969/j.issn.1001-0505.2007.06.015]

备注/Memo

备注/Memo:
作者简介: 黄瑞新(1978—),男,博士生; 李爱群(联系人),男,博士,教授,博士生导师,aiqunli@seu.edu.cn.
基金项目: 国家“十一五”科技支撑计划资助项目(2006BAJ03A04).
引文格式: 黄瑞新,李爱群,张志强,等.北京奥林匹克中心演播塔TMD风振控制[J].东南大学学报:自然科学版,2009,39(3):519-524. [doi:10.3969/j.issn.1001-0505.2009.03.019]
更新日期/Last Update: 2009-05-20